NEWS
National Vacuum Symposium The Tenth National Vacuum Sym posium, sponsored by the American Vacuum Society, will be held Oct. 16 to 18 at the Statler Hilton Hotel, Bos ton, Mass. The subjects to be dis cussed include production and meas urement of ultrahigh vacuum, surface phenomena at low pressures, struc ture and properties of thin films, and vacuum techniques in space simula tion, freeze drying, and other processes. Contributed papers on new and origi nal work are invited. Abstracts should be sent to G. H. Bancroft, 398 Kilbourn Ttd., Rochester 18, Ν. Υ.
F O R T H E REALLY H A R D J O B S BORON CARBIDE MORTAR AND PESTLE SETS
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One of t h e best materials f o r hand grinding-almost diamond-hard, inert, resistant t o acids and alkalis. Cavity diameters. Vz" t o 3 " . Special sets have offset handles f o r g r i n d i n g on a microscope stage. INDUSTRIES, INC. · 3880 PARK AVENUE · METUCHEN, N. S. Circle No. 12 on Readers' Service Card
IDEAL FOR F O R M I N G KBr PELLETS F O R M I N G PELLETS FOR X-RAY A N D OTHER SPECTROSCOPIC ANALYSIS* HANDWHEEL
ADJUSTMENT
O F VERTICAL PLATEN UNIVERSAL
USE
FOR
OPENING RESEARCH,
C O N T R O L TESTING APPLICABLE
FOR
CERAMIC
AND
P O W D E R METAL PRESSING Shown in Insert Available in 20 and 50 ton sizes. Accessories · 20 ton capacity hydraulic press for temperature, pressure, extrusion, testβ,,ΐΗοΗ mr,uinoO"s/Q"nla(on ing units, etc. for all models. · bUiaea movmgS X 3 platen • Even pressure distribution for uniform denWRITE FOR BULLETIN sity • Accurate alignment in operation • Rugged 3 & 4 column construction • 22" maximum vertical opening, adjustable • Self-contained, bench operated
ENGINEERING & MFG. CO. DEPT. A , ROUTE 4 6 , CALDWELL, N . J. *For better results use Loom is 1 lA " precision x-ray pellet die. Circle No. 71 on Readers' Service Card 56 A
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ANALYTICAL CHEMISTRY
The Paul N. Gardner Co., 8005 Norfolk Ave., Washington 14, D. C , is a newly formed business specializing in distributing—importing and exporting —scientific instruments and laboratory equipment. A newsletter is available which lists many of the available items. General Electric has set up a new operation "Irradiations Services and Products Section." The new section, headquartered at the Vallecitos Atomic Laboratory near Pleasanton, Calif., will offer a complete range of nuclear ir radiation services including the pro duction of radioisotopes. Nuclear Magnetic Resonance Spe cialties, Inc., New Kensington, Pa., manufacturers of accessory instrumen tation for analytical NMR spectrom eters, has announced the availability of NMR analytical services on a commer cial basis. The services will be per formed using a Varian Model A-60 Analytical NMR and complementary equipment of the firm's own make.
HYDRAULIC PRESSES
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Industry Items
Telephone
CA 6-8660
The Perkin-Elmer Corp., Norwalk, Conn., has become the exclusive sales representative for the complete line of gas chromatography valves and con trollers produced by The Biotron Co., Houston, Texas. Biotron valves are used in Perkin-Elmer gas chromatographs and will continue to be available to other chromatograph manufacturers. The Sensitive Research Instrument Corp., makers of electrical instruments of precision, has become a part of the Singer Metrics Division of the Singer Manufacturing Co., based at 915 Pem broke St., Bridgeport 8, Conn. Varian Associates has established a new crystal technology activity. The new research and development function will concentrate on crystals for laser, maser, semiconductor, and magnetic applications.
